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Ostrovityanka [42]
2 years ago
5

Please answer this correctly

Mathematics
1 answer:
Readme [11.4K]2 years ago
8 0

Answer:

2MIN

Step-by-step explanation:

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Which of these graphs represent a rate of change of 4 ?
sammy [17]

The last graph because the slope is 40.

Slope equals rise over run

Rise is 4/ Run is 1

4/1=4

Slope (rate of change)=4

4 0
3 years ago
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Jane's salary is increased by 2% to $30396. How much was her salary before the rise?
harina [27]
_award brainliest if helped!

so 102% = 30396
100% (original) = 30396/102*100 =29800

Her salary was $29800 before the rise
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A graph of two functions is shown below:
kirill [66]

Answer:

x = -1

Step-by-step explanation:

because both lines intersects at -1.

8 0
3 years ago
What is the 20th term in the sequence f(n)=19-6×n for n≥0?
ohaa [14]

Answer:  -101

Step-by-step explanation:  f(n) = 19-6*n

f(20) = 19 - 6*20

f(20) = -101

4 0
2 years ago
4. A typical smartphone battery (yes that includes iphones) degrades at approximately 1%
Zielflug [23.3K]

Answer:

a. f(t) = (0.99)^{t} 100%\\

b. The x - intercept represents the time at which the battery life drops to 0 %.

c. The y - intercept represents the initial battery life.

Step-by-step explanation:

a. Construct an equation using f(t) and t that represents the relationship between

"f(t)" the battery capacity of a typical smartphone after "t" months and "L" the

number of months the smartphone has been in normal use.

Let the initial battery life be I.

After one month, it decreases by 1%. So, our new value, I' = initial value - decrease = I - 1%I = 99%I.

After two months, it decreases by 1% to our new value I". So, our new value, I" = initial value - decrease = I' - 1%I' = 99%I' = 99%(99%)I = (99%)²I

After three months, it decreases by 1% to our new value I'". So, our new value, I"' = initial value - decrease = I" - 1%I" = 99%I" = 99%(99%)²I = (99%)³I

We see a pattern here.

After t months, f(t)

f(t) = (0.99)^{t} 100%\\

b. What does the horizontal intercept represent in context? (The x-intercept)

The x - intercept represents the time at which the battery life drops to 0 %.

c. What does the vertical intercept represent in context? (The y-intercept)

The y - intercept represents the initial battery life.

5 0
3 years ago
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